Year 6 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 6 decimals worksheet.
Year 6 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
34.9
−4.6
Answer: 30.3
- Line up the decimal points
- 34.9 − 4.6 = 30.3
2.
3.4
+25.7
Answer: 29.1
- Line up the decimal points
- 3.4 + 25.7 = 29.1
3.
56.6
−11.0
Answer: 45.6
- Line up the decimal points
- 56.6 − 11.0 = 45.6
4.
9.1
+30.5
Answer: 39.6
- Line up the decimal points
- 9.1 + 30.5 = 39.6
5.
55.2
+10.6
Answer: 65.8
- Line up the decimal points
- 55.2 + 10.6 = 65.8
6.
59.4
−27.8
Answer: 31.6
- Line up the decimal points
- 59.4 − 27.8 = 31.6
7.
14.0
−5.5
Answer: 8.5
- Line up the decimal points
- 14.0 − 5.5 = 8.5
8.
49.9
−18.3
Answer: 31.6
- Line up the decimal points
- 49.9 − 18.3 = 31.6
9.
15.5
−14.5
Answer: 1.0
- Line up the decimal points
- 15.5 − 14.5 = 1.0
10.
40.2
+10.4
Answer: 50.6
- Line up the decimal points
- 40.2 + 10.4 = 50.6
11.
52.6
+19.6
Answer: 72.2
- Line up the decimal points
- 52.6 + 19.6 = 72.2
12.
36.7
−13.5
Answer: 23.2
- Line up the decimal points
- 36.7 − 13.5 = 23.2
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.